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TM 9-4120-367-14
TM 07592B-14/1
6.2 LEAK TEST. - Continued
Location/Item
Soap Solution
- Continued
Leak Tester
Action
b.
c.
d.
e.
a.
b.
Using extreme care to avoid touching fan, blower,
or electrical components, brush soap or deter-
gent solution on all possible points of leakage.
Follow definite sequence to avoid missing any
points that should be tested.
Watch for bubbles.
Mark point at which leak is found.
Wipe solution from all joints.
Use great care to avoid contact with
liquid refrigerant or refrigerant gas
being discharged from any container
under pressure. Sudden and irrevers-
ible tissue damage can result from
freezing.
Wear thermal protective
gloves and a face protector or safety
glasses in any situation where skin-or-
eye-contact is possible. Prevent con-
tact of refrigerant gas with flame or hot
metal surfaces.
Heat causes the
refrigerant to break down and form
carbonyl chloride (phosgene), a highly
toxic and corrosive gas.
Disconnect power.
The electronic leak detector is sensitive
to the presence of refrigerant gas in the
atmosphere. When refrigerant gas is
present in the atmosphere of the work
area, false indications can result. Use in
a well-ventilated but draft-free area.
Position refrigerant drum so that only refrigerant
gas will be used and connect to center hose of
charging manifold.
Remove caps from both charging valves and
loosely connect hose from charging manifold to
valves. Purge air from lines and tighten hoses or
valves.
Remarks
f.
6-7
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